body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-image: url("/img/background.jpg");
  background-size: cover; /* 背景图片覆盖整个页面 */
  background-position: center; /* 背景图片居中 */
  background-repeat: no-repeat; /* 背景图片不重复 */
  background-attachment: fixed; /* 背景图片固定 */
}

.container {
  width: 400px;
  margin: 50px auto;
  background-color: rgba(255, 255, 255, 0.9); /* 容器背景颜色（半透明） */
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h2 {
  color: #333;
  text-align: center;
  margin-bottom: 20px;
}

.add-member-form {
  display: flex;
  flex-direction: column;
}

.form-group {
  margin-bottom: 15px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  color: #555;
  font-weight: bold;
}

.form-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
}

.submit-button {
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.submit-button:hover {
  background-color: #0056b3;
}

.cancel-button {
  padding: 10px 20px;
  background-color: #6c757d;
  color: white;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.cancel-button:hover {
  background-color: #5a6268;
}